Home / 1,134,518.54-1,565,635.86-618,272.60

Finding the Fourth Proportional to 1,134,518.54, 1,565,635.86 and 618,272.60

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Solution

The fourth proportional to 1,134,518.54, 1,565,635.86 and 618,272.60 is: 853,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,518.54 : 1,565,635.86 = 618,272.60 : x
  2. Step 2: Convert to fraction form
    1,134,518.54/1,565,635.86 = 618,272.60/x
  3. Step 3: Cross multiply
    1,134,518.54x = 1,565,635.86 × 618,272.60
  4. Step 4: Simplify right side
    1,134,518.54x = 967,989,745,987.26
  5. Step 5: Solve for x
    x = 967,989,745,987.26/1,134,518.54
  6. Step 6: Final answer
    x = 853,216.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.